...a scouring pad.百洁布This is called the scouring train in wool processing.这被称为羊毛加工中的洗涤系列.Post aeration – Air scouring continues after the liquid backwash ends.邮局充气–空气擦亮在液态的冲洗末端之后继续.You can scour dirty pans by rubbing the...
I should have asked him for a shot of penicillin.我应当让他给我打一针青霉素的.She injected the patient with penicillin.她给病人注射了青霉素.Penicillin was an extremely significant medical discovery.青霉素是极其重要的医学发现....